is a Japanese

Japanese language

is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...

 term for a lineage chart in Zen Buddhism and some other Japanese schools, documenting the "bloodline" of succession of various masters or listing priests in a particular school. In Zen the kechimyaku theoretically links a student to all previous generations back to the Buddha

Gautama Buddha

Siddhārtha Gautama was a spiritual teacher from the Indian subcontinent, on whose teachings Buddhism was founded. In most Buddhist traditions, he is regarded as the Supreme Buddha Siddhārtha Gautama (Sanskrit: सिद्धार्थ गौतम; Pali: Siddhattha Gotama) was a spiritual teacher from the Indian...

 himself. In the Sōtō

Soto

Sōtō Zen , or is, with Rinzai and Ōbaku, one of the three most populous sects of Zen in Japanese Buddhism.The Sōtō sect was first established as the Caodong sect during the Tang Dynasty in China by Dongshan Liangjie in the 9th century, which Dōgen Zenji then brought to Japan in the 13th century...

 school of medieval Japan it became commonplace for the kechimyaku to be administered to lay

Laity

In religious organizations, the laity comprises all people who are not in the clergy. A person who is a member of a religious order who is not ordained legitimate clergy is considered as a member of the laity, even though they are members of a religious order .In the past in Christian cultures, the...

 students for such rituals as the jukai

Jukai

The Lay Buddhist ordination refers to the public ordination ceremony wherein a lay student of Zen Buddhism receives certain Buddhist precepts, "a rite in which they publicly avow allegiance to 'The Three Refuges' of Buddhist practice: The Buddha, the dharma and the sangha."-Soto School:In the Sōtō...

 ceremony. Traditionally this document is administered at the time of Dharma transmission

Dharma transmission

Dharma transmission refers to "the manner in which the teaching, or Dharma, is passed from a Zen master to their disciple and heir...

 in Soto Zen, during a shiho

Shiho

refers to a series of ceremonies in Sōtō Zen Buddhism wherein which a priest receives full transmission, inheriting the Dharma from his/her master and becoming empowered to transmit the precepts and lineage to others. A shiho ceremony can last anywhere from one to three weeks, with the final...

 ceremony. In the Jodo Shinshu

Jodo Shinshu

, also known as Shin Buddhism, is a school of Pure Land Buddhism. It was founded by the former Tendai Japanese monk Shinran. Today, Shin Buddhism is considered the most widely practiced branch of Buddhism in Japan.-Shinran :...

sect the kechimyaku is meant to demonstrate "spiritual descent," and not a blood heritage.